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newlib: Try to unify wrappers. And get rid of kos32sys.h

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git-svn-id: svn://kolibrios.org@9874 a494cfbc-eb01-0410-851d-a64ba20cac60
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turbocat
2022-09-01 19:19:27 +00:00
parent f86f8feb93
commit 6c347146ee
7 changed files with 78 additions and 94 deletions
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98
contrib/sdk/sources/newlib/libc/crt/gthr-kos32.c
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@@ -21,7 +21,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <kos32sys.h>
#include <stdint.h>
#include <sys/ksys.h>
#include "gthr-kos32.h"
#define FUTEX_INIT 0
@@ -35,6 +36,42 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define exchange_release(ptr, new) \
__atomic_exchange_4((ptr), (new), __ATOMIC_RELEASE)
#define TLS_KEY_PID 0
#define TLS_KEY_TID 4
#define TLS_KEY_LOW_STACK 8
#define TLS_KEY_HIGH_STACK 12
#define TLS_KEY_LIBC 16
unsigned int tls_alloc(void);
int tls_free(unsigned int key);
static inline int tls_set(unsigned int key, void *val)
{
int ret = -1;
if(key < 4096)
{
__asm__ __volatile__(
"movl %0, %%fs:(%1)"
::"r"(val),"r"(key));
ret = 0;
}
return ret;
};
static inline void *tls_get(unsigned int key)
{
void *val = (void*)-1;
if(key < 4096)
{
__asm__ __volatile__(
"movl %%fs:(%1), %0"
:"=r"(val)
:"r"(key));
};
return val;
}
int __gthr_kos32_once (__gthread_once_t *once, void (*func) (void))
{
if (once == NULL || func == NULL)
@@ -50,7 +87,7 @@ int __gthr_kos32_once (__gthread_once_t *once, void (*func) (void))
else
{
while (! once->done)
yield();
_ksys_thread_yield();
}
}
return 0;
@@ -92,25 +129,14 @@ int __gthr_kos32_setspecific (__gthread_key_t key, const void *ptr)
void __gthr_kos32_mutex_init_function (__gthread_mutex_t *mutex)
{
int handle;
mutex->lock = 0;
__asm__ volatile(
"int $0x40\t"
:"=a"(handle)
:"a"(77),"b"(FUTEX_INIT),"c"(mutex));
mutex->handle = handle;
mutex->handle = _ksys_futex_create(mutex);
}
void __gthr_kos32_mutex_destroy (__gthread_mutex_t *mutex)
{
int retval;
__asm__ volatile(
"int $0x40\t"
:"=a"(retval)
:"a"(77),"b"(FUTEX_DESTROY),"c"(mutex->handle));
_ksys_futex_destroy(mutex->handle);
}
int __gthr_kos32_mutex_lock (__gthread_mutex_t *mutex)
@@ -122,13 +148,9 @@ int __gthr_kos32_mutex_lock (__gthread_mutex_t *mutex)
while (exchange_acquire (&mutex->lock, 2) != 0)
{
__asm__ volatile(
"int $0x40\t\n"
:"=a"(tmp)
:"a"(77),"b"(FUTEX_WAIT),
"c"(mutex->handle),"d"(2),"S"(0));
}
return 0;
_ksys_futex_wait(mutex->handle, 2 , 0);
}
return 0;
}
int __gthr_kos32_mutex_trylock (__gthread_mutex_t *mutex)
@@ -146,11 +168,7 @@ int __gthr_kos32_mutex_unlock (__gthread_mutex_t *mutex)
if (prev != 1)
{
__asm__ volatile(
"int $0x40\t"
:"=a"(prev)
:"a"(77),"b"(FUTEX_WAKE),
"c"(mutex->handle),"d"(1));
_ksys_futex_wake(mutex->handle, 1);
};
return 0;
}
@@ -158,14 +176,9 @@ int __gthr_kos32_mutex_unlock (__gthread_mutex_t *mutex)
void __gthr_kos32_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
{
int handle;
mutex->lock = 0;
__asm__ volatile(
"int $0x40\t"
:"=a"(handle)
:"a"(77),"b"(FUTEX_INIT),"c"(mutex));
mutex->handle = handle;
mutex->handle = _ksys_futex_create(mutex);
mutex->depth = 0;
mutex->owner = 0;
@@ -190,11 +203,7 @@ int __gthr_kos32_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
}
else while (exchange_acquire (&mutex->lock, 2) != 0)
{
__asm__ volatile(
"int $0x40\t\n"
:"=a"(tmp)
:"a"(77),"b"(FUTEX_WAIT),
"c"(mutex->handle),"d"(2),"S"(0));
_ksys_futex_wait(mutex->handle, 2, 0);
mutex->depth = 1;
mutex->owner = me;
};
@@ -232,11 +241,7 @@ int __gthr_kos32_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
if (prev != 1)
{
__asm__ volatile(
"int $0x40\t"
:"=a"(prev)
:"a"(77),"b"(FUTEX_WAKE),
"c"(mutex->handle),"d"(1));
_ksys_futex_wake(mutex->handle, 1);
};
mutex->owner = 0;
};
@@ -247,12 +252,7 @@ int __gthr_kos32_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
int __gthr_kos32_recursive_mutex_destroy (__gthread_recursive_mutex_t *mutex)
{
int retval;
__asm__ volatile(
"int $0x40\t"
:"=a"(retval)
:"a"(77),"b"(FUTEX_DESTROY),"c"(mutex->handle));
_ksys_futex_destroy(mutex->handle);
return 0;
}